The spectrum licenses from EchoStar significantly increase the 5G capacity for AT&T subscribers.

The speed of light isn’t just a number — it’s the foundation of reality. But new research into how light behaves across space and time suggests the universe may not be constant after all. Scientists ...

Challenge yourself with a set of fast-paced puzzles designed to test your logic, observation, and quick thinking. Try to beat the clock and share your best time in the comments — can you solve them ...

Abstract: Spectrum sharing unmanned aerial vehicle (UAV) network is a promising technology for future communication systems to mitigate the spectrum scarcity problem. However, the future ...